1977 O-Pee-Chee Baltimore Orioles Signed Card Lot of 8. Offered is a 8-card collection of signed 1977 O-Pee-Chee cards featuring these Baltimore Orioles. Includes: #'s 19 Ken Singleton, 47 Ross Grimsley, 80 Jim Palmer (miscut), 125 Lee May, 154 Mark Belanger, 192 Al Bumbry, 228 Doug DeCinces, 254 Tippy Martinez. Grades overall EX to EX/MT with one lesser. Pre-certified by PSA/DNA.